XiaomiMi Smart Band 4
- proprietary
- 24
- Built in heart rate monitor
The Xiaomi Mi Smart Band 4 is an upgrade to the popular Mi Band 3 fitness tracker, with a better colour display and enhanced waterproofing. However, you might be wary of such a budget device. Find out whether the Mi Smart Band 4 could make the grade in our full review.
Fitness tracking | |
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Battery life | |
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